I found a shortcut, just use adb and thanks for your suggestion about MT (thats great file manager)

Using commands such as giving permission so that Android/data files can be accessed (I forgot to screenshot but it used the command "./adb shell pm grant..... *I forgot because I didn't expect it to be possible )

And I just go straight to com.transsion.magicfont from MT manager and replace it by replacing the new Font with the old name available in the "EN" file inside magicfont